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empirical data

n. Data derived from reliable measurement or observation.

Usage examples of "empirical data".

What is necessarily to be represented as numerically identical with itself, cannot be thought as such by means of empirical data only.

I wouldn't attempt to predict without empirical data the effect of a gaseous medium constrained by the same field.

Guided by empirical data, the investigator rather develops a system of thought which, in general, is built up logically from a small number of fundamental assumptions, the so-called axioms.

So little was known about the Sli that any bit of empirical data was valuable.

You have the freedom to sift through all empirical data and arrive at the truth at all times.

By comparing our intrinsic velocity with target distances, the master positronic system was able to control the firing intervals so that a swiftly erected learning curve of empirical data resulted in a precise coalescing of range-effective areas, making an even blanket coverage.

It'd give you empirical data with which you track your own progress.

In validating the system architecture, they had also received priceless empirical data on the actual functioning characteristics of the hardware.

If recognition had flashed just for that instant in Marjory's eyes, then they trembled on the brink of success long before empirical data suggested they should.